National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Lake Effect Snow continues through friday, followed by extreme cold for the weekend.

An Extreme Cold Warning is in effect for northern New York and Vermont from Friday evening through Saturday morning. Dangerously cold wind chills of -20F to -40F are expected. In addition, a Winter Weather Advisory remains in effect for southern St Lawrence County through Friday. A lake effect band will produce 3 to 9 inches of snow in the Advisory area, mainly along and south of Route 3. Read More >

Hazardous Weather Conditions

Current conditions at

Lebanon Municipal Airport (KLEB)

Lat: 43.63°NLon: 72.31°WElev: 558ft.

Partly Cloudy

36°F

2°C

Humidity 70%
Wind Speed NA
Barometer 29.91 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 22 Jan 4:53 pm EST
Extended Forecast for

Thetford VT

Extreme Cold Warning January 23, 07:00pm until January 24, 01:00pm
Click here for hazard details and duration
Extreme Cold Warning

  • Tonight

    Tonight: Partly cloudy, with a low around 13. Southwest wind 7 to 9 mph, with gusts as high as 25 mph.

    Low: 13 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of snow showers after 1pm. The snow could be heavy at times. Mostly sunny, with a high near 23. Wind chill values as low as zero. West wind 6 to 11 mph, with gusts as high as 28 mph.

    High: 23 °F

    Mostly Sunny
    then Heavy
    Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around -8. Wind chill values as low as -19. Northwest wind 9 to 11 mph, with gusts as high as 28 mph.

    Low: -8 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny and cold, with a high near 5. Wind chill values as low as -24. Northwest wind around 8 mph.

    High: 5 °F

    Cold

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around -7. Calm wind.

    Low: -7 °F

    Partly Cloudy

  • Sunday

    Sunday: A 50 percent chance of snow after 1pm. Mostly cloudy, with a high near 11. Calm wind.

    High: 11 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday Night

    Sunday Night: Snow. Low around 6. Calm wind. Chance of precipitation is 90%.

    Low: 6 °F

    Snow

  • Monday

    Monday: Snow. High near 17. Light northeast wind. Chance of precipitation is 80%.

    High: 17 °F

    Snow

  • Monday Night

    Monday Night: A 30 percent chance of snow before 1am. Mostly cloudy, with a low around -2. Light northwest wind.

    Low: -2 °F

    Chance Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 13. Southwest wind 7 to 9 mph, with gusts as high as 25 mph.
Friday
A 20 percent chance of snow showers after 1pm. The snow could be heavy at times. Mostly sunny, with a high near 23. Wind chill values as low as zero. West wind 6 to 11 mph, with gusts as high as 28 mph.
Friday Night
Partly cloudy, with a low around -8. Wind chill values as low as -19. Northwest wind 9 to 11 mph, with gusts as high as 28 mph.
Saturday
Sunny and cold, with a high near 5. Wind chill values as low as -24. Northwest wind around 8 mph.
Saturday Night
Partly cloudy, with a low around -7. Calm wind.
Sunday
A 50 percent chance of snow after 1pm. Mostly cloudy, with a high near 11. Calm wind.
Sunday Night
Snow. Low around 6. Calm wind. Chance of precipitation is 90%.
Monday
Snow. High near 17. Light northeast wind. Chance of precipitation is 80%.
Monday Night
A 30 percent chance of snow before 1am. Mostly cloudy, with a low around -2. Light northwest wind.
Tuesday
Partly sunny, with a high near 16. West wind 3 to 6 mph.
Tuesday Night
Partly cloudy, with a low around -2. Calm wind.
Wednesday
Mostly sunny, with a high near 19. Calm wind becoming west around 6 mph.
Wednesday Night
Partly cloudy, with a low around -3. Calm wind.
Thursday
Partly sunny, with a high near 16. Calm wind becoming northwest around 6 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Thetford VT
 43.83°N 72.26°W (Elev. 699 ft)
Last Update:
12:28 pm EST Jan 22, 2026
Forecast Valid:
5pm EST Jan 22, 2026-6pm EST Jan 29, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation